Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.
References
Link Resource
https://github.com/geffner/CVE-2020-8290/blob/master/README.md Exploit Third Party Advisory
https://hackerone.com/reports/818857 Permissions Required
https://youtu.be/OpC6neWd2aM Exploit Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: hackerone

Published: 2020-12-27T01:22:39

Updated: 2020-12-27T01:22:39

Reserved: 2020-01-28T00:00:00


Link: CVE-2020-8290

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2020-12-27T02:15:14.573

Modified: 2020-12-31T19:25:22.013


Link: CVE-2020-8290

JSON object: View

cve-icon Redhat Information

No data.

CWE